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Subject[PATCH] jbd2: remove duplicate `\n` in jbd_debug
Date
The current jbd_debug output as the following:

```
[180397.891399] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 718): JBD2: Submit 4 IOs

[180397.891417] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 821): JBD2: commit phase 3

[180397.899183] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 863): JBD2: commit phase 4

[180397.899189] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 886): JBD2: commit phase 5

[180397.900321] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 923): JBD2: commit phase 6

[180397.900327] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 1092): JBD2: commit phase 7
```

Every jbd_debug call in kernel will append `\n` in its
fmt argument, so remove duplicate `\n`

Signed-off-by: Wang Long <wanglong19@meituan.com>
---
fs/jbd2/journal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 3fbf48e..93016bb 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -114,7 +114,7 @@ void __jbd2_debug(int level, const char *file, const char *func,
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_DEBUG "%s: (%s, %u): %pV\n", file, func, line, &vaf);
+ printk(KERN_DEBUG "%s: (%s, %u): %pV", file, func, line, &vaf);
va_end(args);
}
EXPORT_SYMBOL(__jbd2_debug);
--
1.8.3.1
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